Home / 147,104,908.56-203,004,764.19-85,261,119.39

Finding the Fourth Proportional to 147,104,908.56, 203,004,764.19 and 85,261,119.39

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Solution

The fourth proportional to 147,104,908.56, 203,004,764.19 and 85,261,119.39 is: 117,660,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,908.56 : 203,004,764.19 = 85,261,119.39 : x
  2. Step 2: Convert to fraction form
    147,104,908.56/203,004,764.19 = 85,261,119.39/x
  3. Step 3: Cross multiply
    147,104,908.56x = 203,004,764.19 × 85,261,119.39
  4. Step 4: Simplify right side
    147,104,908.56x = 17,308,413,436,342,386
  5. Step 5: Solve for x
    x = 17,308,413,436,342,386/147,104,908.56
  6. Step 6: Final answer
    x = 117,660,339.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.